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Finding the Fourth Proportional to 267.26, 400.93 and 104.93

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Solution

The fourth proportional to 267.26, 400.93 and 104.93 is: 157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.26 : 400.93 = 104.93 : x
  2. Step 2: Convert to fraction form
    267.26/400.93 = 104.93/x
  3. Step 3: Cross multiply
    267.26x = 400.93 × 104.93
  4. Step 4: Simplify right side
    267.26x = 42,069.58
  5. Step 5: Solve for x
    x = 42,069.58/267.26
  6. Step 6: Final answer
    x = 157.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.